WorksheetsAnalysis Quiz- Dissolved Oxygen
Total questions: 10
Worksheet time: 7mins
Which Parameters influence the dissolved oxygen value? Multiple answer
Pressure
Salinity
temperature
pH
What is the atmospheric pressure at sea level at 20 deg c
500 mbar
1013 mbar
1513 mbar
600 mbar
What is the partial pressure of Oxygen in Air
780 mbar
212 mbar
500 mbar
1013 mbar
What are the measuring principles we offer for dissolved oxygen? Multiple Answer
Amperometric
Calorimetric
Optical
hydrostatic
Which are the optical sensor for DO measurement? Multiple answer
COS22/22E
COS51E
COS61/61D
COS81E
Which are the Amperometric sensors? Multiple Answer
COS51E
COS81E
COS61/61D
COS22/22E
Which sensor require sensor polarisation? Multiple Answer
COS22/22E
COS81E
COS61/61D
COS51E
the C-shaped and U-shaped optical cap is for...
COS22/22E
COS51E
COS81E
COS61/61D
Why customer want to measure oxygen? Multiple Answer
Quality Control, monitoring
Regulation of oxygen concentration
Ensure absence of oxygen sensor
Ensure absence of oxygen
Why we recommend to install optical sensors in an inclined position?
...Just for fun
...to avoid incorrect measuring signal due to air bubbles
...optical sensors doesn't fit in straight down assemblies
...to get 100% saturation index
